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𝕡

mathematical double-struck small p

Double-Struck Small P

𝕡 is a lowercase p in double-struck, or blackboard-bold, style. In mathematical notation, that style distinguishes a letter; the surrounding formula tells you what this p stands for.

Text symbol

What 𝕡 means

It is a blackboard-bold p; the formula gives it meaning.

Blackboard bold, also called double-struck, began as a way to make chalked letters stand out when bold chalk was unavailable. Mathematical books later used the style, alongside plain or bold capitals, for selected notation.

Uppercase ℙ can denote the set of prime numbers; read lowercase 𝕡 by the role its formula assigns.

Part of the collection

Double-Struck Letters (Outline Text)

Don't confuse it with

1

Latin Small Letter P

Plain p is the unstyled letter. NFKC, a compatibility-normalization form some systems use for loose matching, changes 𝕡 to p and removes the style distinction.

How to type or find 𝕡

Search it as: blackboard bold · double-struck p · math p
Shows up in: Anything that takes text · its shape is whatever your font draws

Windows (Word)

⎇Alt+XType 1D561, then AltX to get 𝕡.

Windows

⊞Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win .).

macOS

⌃Control+⌘Command+␣SpaceOpen the character viewer and search “mathematical double-struck small p”.

Linux

⎈Ctrl+⇧Shift+UType 1d561, then Enter or Space.

HTML

𝕡

CSS

\1D561

Codes and encoding1 code points

HTML decimal

𝕡

HTML hex

𝕡

CSS content

content: "\1D561";

Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.

URL encoded

%F0%9D%95%A1

1

On screen

1

Code points

2

JS .length

4

UTF-8 bytes

A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.

Families this belongs to

2

Letters1,265 symbols

µ ʹ ـ ℀℁ℂ ℃℄℅℆ℇ ℈

Fancy letters996 symbols

𝐀 𝐁 𝐂 𝐃 𝐄 𝐅 𝐆 𝐇 𝐈 𝐉 𝐊 𝐋